151 lines
3.1 KiB
OpenSCAD
151 lines
3.1 KiB
OpenSCAD
use <inserts.scad>
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use <threads.scad>
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$fa = ($preview) ? 12 : 1;
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$fs = ($preview) ? 2 : 1;
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$incolor = true;
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// Config
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BallDiameter = 65;
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BallClearance = 2;
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BallSealWidth = 2;
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PlateLip = 2;
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PlateDiameter = BallDiameter + 2*(BallClearance + BallSealWidth + PlateLip);
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PlateThick = BallSealWidth/2 + 1;
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//plate_full();
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PlateSep = 0;
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pd = PlateDiameter+PlateSep;
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pt = PlateThick;
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echo("PD=", pd);
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translate([pd+5,0]) plate_top(thickness=pt);
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translate([0,pd+5]) plate_mid(thickness=pt);
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translate([pd+5,pd+5]) cap_compression(PlateDiameter, pt);
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translate([-(pd+5),0]) mold_wall(PlateDiameter, pt, BallDiameter);
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translate([0,-(pd+5)]) plate_under();
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stack(pt, expand=false) {
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cap_compression(PlateDiameter, pt);
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//plate_under();
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//plate_mid(thickness=pt);
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plate_top(thickness=pt);
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mold_wall(PlateDiameter, pt, BallDiameter);
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}
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module stack(pt, ed=10 ,expand=false) {
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d = expand ? pt + ed : pt+.01;
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for (i = [0:$children-1]) {
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translate([0,0,d*i]) children(i);
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}
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}
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module mold_wall(pd, pt, bd, wt=3) {
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threadc = $incolor ? "green" : undef;
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difference() {
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union() {
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translate([0,0,8]) cylinder(d=pd+wt, h=bd/2+pt-8);
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color(threadc) metric_thread(
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diameter=pd+wt,
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length=8.01,
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internal=false);
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}
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translate([0,0,-.1]) cylinder(d1=pd-1, d2=pd+1, h=bd/2+pt+.2);
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}
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}
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module cap_compression(pd, pt, th=7, wt=3) {
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difference() {
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cylinder(d=pd+2*wt, h=th);
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translate([0,0,-.01]) cylinder(d=pd-6, h=5);
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translate([0,0,pt]) metric_thread(diameter=pd+wt,length=th+.01, internal=true);
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}
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}
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module plate(
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d=PlateDiameter,
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thickness = PlateThick)
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{
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translate([0,0,-thickness])
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cylinder(d=d, h=thickness+.01);
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}
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module plate_mid(thickness = 1) {
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translate([0,0,thickness]) {
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ball(bottom=false);
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plate(thickness=thickness);
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register_seal();
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}
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}
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module plate_top(thickness = 1) {
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translate([0,0,thickness]) {
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ball(bottom=false);
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difference() {
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plate(thickness=thickness);
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register_seal();
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}
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}
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}
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module plate_under(thickness = 1) {
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translate([0,0,thickness]) {
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underball();
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plate(thickness=thickness);
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register_seal();
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}
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}
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module ball(
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bd=BallDiameter,
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insert=true,
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top = true,
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bottom = true)
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{
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insertc = $incolor ? "gold" : undef;
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maxz = top ? bd/2 : 0;
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minz = bottom ? -bd/2 : 0;
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echo("maxz:", maxz);
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echo("minz:", minz);
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difference() {
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intersection() {
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sphere(d=bd);
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translate([0,0,(maxz+minz)/2])
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cube([bd, bd, maxz-minz],center=true);
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}
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color(insertc) if (insert) for (iz = [-bd/2, bd/2]) {
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rot = (iz < 0) ? 180 : 0;
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//translate([0,0,bd/2])thread_insertM3($die=true);
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translate([0,0,iz])
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rotate([0,rot,0]) thread_insertM3($die=true);
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}
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}
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}
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module register_seal(
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bd = BallDiameter,
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cl = BallClearance, // Clearance around ball
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sw = BallSealWidth, // Width of register
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)
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{
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rotate_extrude()
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translate([bd/2+cl,0,0])
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circle(d=sw);
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}
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module underball() {
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intersection() {
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translate([0,0,9]) {
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rotate_extrude(angle=360)
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translate([10+15/2,0,0])
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circle(d=20);
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translate([0,0,-4])
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cylinder(d=55, h=10, center=true);
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}
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cylinder(d=70,h=35);
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}
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}
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